Myanmar Opium Survey 2018 Cultivation, Production and Implications
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Myanmar Opium Survey 2018 Cultivation, Production and Implications
1. Myanmar Opium Survey 2018
Cultivation, Production and Implications
Central Committee for
Drug Abuse Control
Research
2.
In Southeast Asia, UNODC supports Member States to develop and implement evidence‐
based rule of law, drug control and related criminal justice responses through the Regional
Programme 2014‐2018 and aligned country programmes including the Myanmar Country
Programme 2014‐2018. This study is connected to the Mekong MOU on Drug Control which
UNODC actively supports through the Regional Programme, including the commitment to
develop data and evidence as the basis for countries of the Mekong region to respond to
challenges of drug production, trafficking and use. UNODC’s Research and Trend Analysis
Branch promotes and supports the development and implementation of surveys globally,
including through its Illicit Crop Monitoring Programme (ICMP).
The implementation of Myanmar opium survey was made possible thanks to the financial
support of the Governments of Japan, the United States of America and China.
UNODC Regional Office for Southeast Asia and the Pacific
Telephone: +6622882100
Fax: +6622812129
Email: unodc‐thailandfieldoffice@un.org
Website: www.unodc.org/southeastasiaandpacific
Twitter: @UNODC_SEAP
The designations employed and the presentation of material in this publication do not imply
the expression of any opinion whatsoever on the part of UNODC concerning the legal status
of any country, territory or city, or its authorities, or concerning the delimitation of its frontiers
or boundaries.
Front cover photos: Jeremy Douglas and Akara Umapornsakula, United Nations Office on
Drugs and Crime
5. Myanmar Opium Survey 2018
i
Acknowledgments
Central Committee for Drug Abuse Control
Pol. Lt. Gen. Aung Win Oo Chief of Myanmar Police Force, Secretary of CCDAC
Pol. Brig. Gen. Win Naing Commander of Drug Enforcement Division, Joint Secretary
of CCDAC
Pol. Col. Oke Soe Tun Head of Project Management Department, CCDAC
Forest Department
Dr. Nyi Nyi Kyaw Director General, Forest Department
U Saw Daniel Assistant Director, Forest Department
UNODC Southeast Asia and the Pacific
Jeremy Douglas Regional Representative, Southeast Asia and the Pacific
Akara Umapornsakula Graphic Designer
Katherine North UNAC International Development Programme
Troels Vester Country Manager, Myanmar
San Lwin Htwe GIS Specialist and Survey Coordinator
Naing Lin Aung Data Analyst
UNODC Headquarters
Angela Me Chief, Research and Trend Analysis Branch (RAB)
Anja Korenblik Chief, Programme and Development Unit (PDMU)
Coen Bussink Programme Officer, Team Leader, PDMU
Iban Ameztoy Aramendi Programme Officer, Remote Sensing and GIS, PDMU
Lorenzo Vita Research Officer, PDMU
Irmgard Zeiler Statistician, PDMU
Abbreviations
BGF Border Guard Force
CCDAC Central Committee for Drug Abuse Control
GOUM Government of the Republic of the Union on Myanmar
HR High Resolution
ICMP UNODC Illicit Crop Monitoring Programme
KIA Kachin Independence Army
KNLP Kayan New Land Party
KNPLF Karenni National People’s Liberation Front
KNPP Karenni National Progressive Party
LCLU Land Cover Land Use
MNDAA Myanmar National Democratic Alliance Army (Kokant)
NDAA National Democratic Alliance Army (Mongla Special Region)
PDMU Programme Management and Development Programme
PMF People’s Militia Force (Local Militia Forces)
PNLA Pa‐O National Liberation Army
QA/QC Quality Assurance/Quality Control
RAB Research and Trend Analysis Branch
RCSS Restoration Council of Shan State (Shan State Army‐South)
SR Special Region
SSPP Shan State Progress Party (Shan State Army‐North)
SSS Shan State South (Homein)
TNLA Ta’ang National Liberation Army
UNODC United Nations Office on Drugs and Crime
UWSA United Wa State Army (Wa Special Region)
VHR Very High Resolution
7. Myanmar Opium Survey 2018
iii
Key findings
In 2018, the area under opium poppy cultivation in Myanmar was estimated at 37,300
hectares. In comparison to 2017, the area under opium cultivation decreased,
continuing the downward trend that started in 2014.
In the two main producer states, Shan and Kachin, the area under opium poppy
cultivation decreased by 12 per cent or 4,900 hectares from 41,000 hectares in 2017
to 36,100 hectares in 2018.1
In addition, in Chin and Kayah States together, an estimated 1,200 hectares of opium
poppy were cultivated.
Reductions have taken place in practically all regions, including North, East and South
Shan with decreases of 7%, 8% and 17% respectively, and Kachin State with 15%. Chin
and Kayah States were not surveyed in 2017. Compared to the latest year available,
2015, total opium poppy cultivation in these two states increased by 26% or by 250
hectares in 2018.
The average opium yield remained rather stable at 13.9 kilograms per hectare, with a
4% increase compared to 2017.
Potential opium production was estimated at 520 metric tons in 2018. Shan State,
which supplied nearly 90% of the total, remained the main producing region with 461
mt which is a decrease of 8% compared to last year.
Eradication ‐as reported by the Government‐ showed a similar trend to opium poppy
cultivation over the last nine years, with increases from 2010 to 2012‐2014 and a
decrease since 2015. The eradication numbers for the 2018 growing season (from
September 2017 to March 2018) were 26% lower than for the same period in 2017.
Opiate seizures have increased since 2015. For the period January to June 2018,
almost 3,000 kilograms of seized opiates were reported, already surpassing the total
reported seizures for 2017.
With an estimated gross value ranging from 1.1 to 2.3 billion USD, the illegal opiate
market in Myanmar represented a notable share of the country’s economy in 2018
(1.5 – 3.3 % of 2017 GDP).
Of this total, about 5%, corresponding to an estimated amount of 62 to 103 million
USD, or 0.4 % of the agricultural sector’s value, was earned by farmers cultivating
opium.
1
The exact percentage change from 2017 to 2018 cannot be estimated at the national level, because Chin and Kayah states were
not assessed in 2017.
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
Hectares
Best estimate Upper and lower limits
9. Myanmar Opium Survey 2018
v
Fact Sheet
Year 2017 Year 2018
Change
2017‐2018
Total opium poppy cultivation (ha)3
, 4
41,000
(30,200 to 51,900)
37,300
(29,700 to 47,200)
NA5
Opium poppy cultivation
in Shan State (ha)
37,100
(26,500 to 47,600)
32,700
(25,300 to 42,400)
‐12%
Opium poppy cultivation
in Kachin State (ha)
3,900
(1,500 to 6,400)
3,400
(1,800 to 5,800)
‐13%
Opium poppy cultivation
in Chin State (ha)
NA
630
(573 to 677)
NA6
Opium poppy cultivation
in Kayah State (ha)
NA
570
(434 to 706)
NA7
Total potential production of dry opium
(mt)8
550
(395 to 706)
520
(410 to 664)
NA9
Potential dry opium
production in Shan State
(mt)
501
(349 to 653)
461
(348 to 605)
‐8%
Potential dry opium
production in Kachin
State (mt)
49
(17 to 81)
42
(21 to 74)
‐14%
Potential dry opium
production in Kayah State
(mt)10
NA
8
(5 to 12)
NA
Potential dry opium
production in Chin State
(mt) 10
NA
9
(6 to 12)
NA
Average opium yield (kg/ha)11
13.4
(9.3 to 17.6)
13.9
(9.5 to 19.7)
4%
3
The total area estimate in 2017 does not consider cultivation in Chin and Kayah States. Since the total area in 2018 takes into
account both, the estimates are not directly comparable.
4
The estimates may include areas that were eradicated after the acquisition date of the satellite images.
5
Considering the sum of Shan and Kachin states only, the change percentage is ‐12%.
6
Compared to values reported in 2015 (490 ha), the cultivated area has increased in Chin State by 29%.
7
Compared to values reported in 2015 (460 ha), the cultivated area has increased in Kayah State by 24%.
8
Based on area and yield estimates for Shan and Kachin states. Yield data for North Shan province and Kachin correspond to
2015.
9
The 2018 estimate includes potential production for Chin and Kayah, therefore, the values are not comparable. Considering
only Shan and Kachin the potential production decreased by ‐9%.
10
Potential production for Chin and Kayah was calculated using the Average opium yield (13.9kg/ha)
11
National average weighted by regional area estimates.
13. Myanmar Opium Survey 2018
3
1. Introduction
This report presents the results of the sixteenth opium survey in Myanmar. It was conducted
jointly by the Central Committee for Drug Abuse Control (CCDAC) of the Ministry of Home
Affairs and UNODC, which has been collecting statistical information on illicit crop cultivation
in Myanmar within the framework of its Illicit Crop Monitoring Programme. The methodology
used in this report combines satellite imagery and a yield survey to evaluate the extent of
opium poppy cultivation and production.
The 2018 survey builds on years of data regarding illicit opium production in Myanmar,
estimating and comparing the area under cultivation, and assessing yield and production. In
1996 over 160,000 hectares (ha) were used for cultivating opium poppy, making Myanmar
temporarily the most prominent country with cultivation in the world. However, cultivation
decreased significantly over the following ten years, reaching a low of just over 20,000 ha in
2006.
The area of opium cultivation increased again between 2006 and 2014 to just under 60,000
ha, but it has subsequently been in sharp decline. In 2017, the total area of opium poppy
consisted of 41,000 ha, a 25% decrease from the 55,000 ha recorded in 2015. The downward
trend has continued in 2018 with 37,300 ha of opium poppy. In the two main producing states,
Shan and Kachin, the cultivation area decreased by 12 percent from 41,000 hectares in 2017
to 36,100 hectares in 2018. As in previous years, the majority of opium poppy is again
cultivated in Shan State ‐nearly 90%‐ followed at a distance by Kachin State 9%, with negligible
cultivation in Chin and Kayah states.
The biggest drops in cultivation have been seen in areas that have had relatively good security.
However, in parts of Shan and Kachin experiencing a protracted state of conflict, high
concentrations of poppy cultivation have continued – a clear correlation between conflict and
opium production. For example: in Kachin State, the highest density of poppy cultivation took
place in areas under the control or influence of the Kachin Independence Army (KIA); in North
Shan, in areas of the Myanmar National Democratic Alliance Army (MNDAA); in South Shan,
of the Pa‐O National Liberation Army (PNLA), and the Restoration Council of Shan State (RCSS)
Shan State Army South (SSA‐S); and in East Shan, the People Militia’s Force (PMF); with each
engaged in conflicts of varying intensity and frequency.
A ceasefire agreement providing a degree of self‐administration has been concluded with
most of the armed groups in Myanmar, and the Government has limited access to, and limited
influence in, territories controlled by many militias. There are also several drivers for the illicit
cultivation of opium poppy in Myanmar. The most recent UNODC socio‐economic survey
identified insecurity, lack of employment opportunities, income inequality, and lack of
infrastructure (access to markets, availability of clinics) as conditions associated with the
cultivation of opium poppy. Illicit cultivation is also linked to limitations on access to areas of
cultivation and the absence of a process for independently monitoring compliance with
ceasefire provisions which include, among other conditions, the non‐engagement in drug
production. The presence of organized crime groups in the same areas is also associated with
the manufacturing and trafficking of heroin. According to the Government of Myanmar,
criminal activity in the country is estimated to generate US$15 billion per year – the equivalent
14. Myanmar Opium Survey 2018
4
of approximately 24% of Gross Domestic Product (GDP)15
– with 84% or US$12.6 billion related
to organized crime of which a significant portion would be transnational and drug related.
However, the illicit drug economy is increasingly diverse and revenue is not only generated
from opiates. There has been a sharp increase in the supply of, and demand for, synthetic
drugs and particularly methamphetamine across East and Southeast Asia and neighbouring
regions, and the downward trend in opium cultivation and related heroin production in
Myanmar needs to be understood in this context. Of the 11 countries in the region
systematically sharing drug data and information with UNODC, 9 are now reporting
methamphetamine as their primary drug of concern, as opposed to 10 years ago when there
were 4 countries reporting methamphetamine and 7 reporting heroin. Even countries with
traditionally large heroin markets, including China and Malaysia, have reported this dramatic
change.
Most countries in the region do not have reliable data on drug use making it difficult to
determine if the rapid expansion of methamphetamine and synthetic drugs has happened at
the expense of, or in addition to, heroin, but findings of the opium survey point to the
shrinking of the market for opiates originating from Myanmar: between 2015 and 2018, farm‐
gate prices of fresh and dry opium have decreased by 34 and 45 % respectively. Declining
prices considered together with a reduction in the supply of opium and heroin are a possible
indication of decreased demand for opiates from Myanmar, although data on other opioids
which may be in the regional market are limited.
The 2018 opium survey report finds that the current value of Myanmar’s opiate economy is a
noticeable share of the overall national economy, ranging from 1.5%‐3.3% of GDP.16
with
geographic pockets of Shan and Kachin where the opiate economy dominates. Where drug‐
related proceeds comprise a sizeable portion of the total economy of an area or community,
dynamics are distorted with unfair competition, skewed income and wealth distributions, and
increased corruption.
Myanmar is the major supplier of opium and heroin in East and Southeast Asia, and Australia,
and the value of opiates in the region is much higher than the US$1.1‐$2.3 billion estimated
inside the country given the escalation of value as it approaches retail level. Manufacture and
trafficking of heroin within the borders of Myanmar constitutes the largest value of the
Myanmar opiate economy with a value range of US$1.0 to $2.2 billion – although this estimate
does not take into account certain input costs including smuggled precursor chemicals.
Traffickers and organized crime groups are the main beneficiaries of the opiate economy in
Myanmar, with farming’ income, or the farm‐gate value of opium, comparatively small and
estimated between US$62 and $103 million.
Efforts to eradicate opium poppy decreased in 2018, with a reported total of 2,605 ha
eradicated. This is 26% less than in 2017, and follows a continuous annual decline in the
hectares of opium poppy eradicated since 2015. The slowdown in eradication efforts is
reportedly linked to the existence of protracted conflict and limited access to areas under the
15
Executive Summary, Report on Money Laundering and Financing of Terrorism, the National Risk Assessment Committee on
Money Laundering & Financing of Terrorism, the Myanmar Financial Intelligence Unit, the Republic of the Union of Myanmar,
2018. The report does not provide a breakdown of different forms of organized crime and associated revenue.
16
The estimated value includes opiates (raw opium and heroin) destined to domestic consumption and opiates for export. The
range reflects uncertainties related to both production and heroin’s purity. For further details see chapter 2.4 and the
methodology section.
21. Myanmar Opium Survey 2018
11
2. Findings
2.1 Estimated area under opium poppy cultivation
In 2018, the total amount of opium poppy cultivation area in Myanmar was estimated at
37,300 ha. Contrary to the survey in 2017, this year’s survey covered not only the major
producing states, Shan and Kachin, but also Chin and Kayah. Therefore, the total 2018
estimate cannot directly be compared with the 2017 estimate (41,000 ha). The comparison
can be made for Shan and Kachin states only.
Considering only Shan and Kachin, a decrease in cultivation of 12% was recorded, from 41,000
ha in 2017 to 36,000 ha in 2018.
Opium poppy cultivation in Myanmar, 1996‐2018 (ha)*
*Sources: from 1996 to 2001 USG, from 2002 to 2018 GOUM‐UNODC. The surveys in 2014, 2015 and 2018
included satellite image estimates for Kayah and Chin States.
Regional distribution of opium poppy cultivation areas in Myanmar, 2018*
*Chin and Kayah States were surveyed in 2018 but not in 2017. Comparisons between the years should
therefore only consider the Shan regions and Kachin State.
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
Hectares
Best estimate Upper and lower limits
South
Shan
38%
East
Shan
27%
North
Shan
23%
Kachin
9%
Chin and
Kayah
3%
25. Myanmar Opium Survey 2018
15
2.2 Opium yield and production estimates
In 2018, several field studies were carried out to measure opium yields in three different
regions of Shan State. North Shan was the region with highest yield values (16.1ha/kg)
followed by East Shan (13.5ha/kg) and South Shan (13.3ha/kg). The average yield was
estimated at 14ha/kg, a 4% increase compared to 2017. However, it should be noted that the
2017 field work was not carried out in North Shan due to security constraints. For the opium
production calculation in Kachin state the 2015 yield estimate was used, which was estimated
at 12.5 kg/ha.
Average opium yield in Myanmar, 2002 – 2018
National average weighted by regional area estimates.
Table 2: Potential opium yield by region (kg/ha), 2017 and 2018
Region 2017 2018
Change
2015‐2017
East Shan
12.8
(11.4 ‐ 14.1)
13.5
(12.3 ‐ 14.6)
5%
North Shan NA
16.1
(14.7 – 17.5)
NA
South Shan
14.2
(12.7 – 15.6)
13.3
(12.3 ‐ 14.3)
‐6%
Average yield
13.4
(9.3 – 17.6)
14
(9.5 – 19.7)
4%
Values in brackets indicate the 95% confidence interval.
For Kachin state yield survey could not be implemented and for the production calculation yield data from
2015 was used (12.5kg/ha, 95% confidence interval: 9.7 ‐15.3kg/ha)
The resulting estimate of potential dry opium production in 2018 was 520 metric tons. Shan
State, with 461 mt accounted for nearly 90% of the total.17
However, the estimates for this
state are not equally distributed; whilst the East and South regions showed small to moderate
decreases of 3% (‐4mt) and 21% (‐51 mt), North Shan showed an increase of 12% (+15mt),
even though a decrease in the area estimate was observed. This was caused by the yield that
17
The 2017 production figure did not include the potential production in Chin and Kayah States, hence this figure is not directly
comparable with the values in 2018.
10.0
13.0
8.0
9.5
14.6
16.6
14.4
10.4
15.1
14.0
13.5
15.0
11.7 11.7
13.4
14.0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Yield (kg/ha)
28. Myanmar Opium Survey 2018
18
Lancing poppy capsules in Myanmar, 2018
Harvested fresh opium gum, North Shan
2.3 Opium farm‐gate price
In 2018, a village survey was implemented, and opium price data were collected.19
The
average farm‐gate prices20
at harvest time of fresh and dry opium were assessed at 216,166
Kyat (136 US$) and 243,783 Kyat (154 US$) per kilogramme, respectively. In 2015,21
average
farm‐gate price22
of fresh opium was estimated at 290,357 Kyat per kilogramme and average
farm‐gate price23
of dry opium at 383,421 kyat/kg. Over the 3 year span, the farm‐gate prices
of fresh and dry opium dropped significantly by 26 % and 36 %, respectively. The decrease is
even larger if inflation is considered, ‐34 % for fresh opium price and ‐45 % for dry opium
19
The socio‐economic report will be published in early 2019.
20
Weighted average based on opium production, see methodology chapter.
21
Differently from 2016 and 2017, for the year 2015 both village survey price data and production data were available, and it was
possible to calculate the weighted average of farm‐gate prices based on production levels, as used in 2018 (see methodology
chapter). Therefore, for comparability reasons, the year 2015 was taken as reference for price trend analysis.
22
Not adjusted for inflation.
23
Not adjusted for inflation.
30. Myanmar Opium Survey 2018
20
Table 5: Estimated values of the opiates economy, 2018
Gross value Value in relation to
GDP* % Millions of US$ (rounded)
Value of the opiates economy (gross)** 1,082 ‐ 2,262 1.5 ‐ 3.3
Value of opiates potentially available for
export
829 ‐ 1,845 1.2 ‐ 2.7
Raw opium 47
Heroin 782 ‐ 1,798
Value of the opiates market for domestic
consumption
253 ‐ 416 0.4 ‐ 0.6
Raw opium 15
Heroin 238 ‐ 401
Farm‐gate value of opium 62 ‐ 103 0.1
Value of the opiates economy after farm‐gate to
the border
1,020 ‐ 2,159 1.5 ‐ 3.1
Note: Ranges are calculated based on lower and upper bounds of opium production and on
assumptions about the different purities of exported and domestic heroin.
Further details on the calculation and the key components that have been considered are provided in the
methodology section.
*Source: World Bank.
** the sum of the value of the domestic market and the value of opiates believed to be exported.
After deducting the seizures of opiates reported by relevant law enforcement agencies,26
it
can be estimated that nearly 125 tons of raw opium and some 28 to 53 tons of heroin reached
the illicit market. Out of these 125 tons of opium, 11 tons were destined for domestic
consumption, with a market value of 15 million USD; the remaining 114 tons of opium were
exported with a revenue of 47 million USD. The main value of the opiate market is generated
by the manufacturing and trafficking of heroin. In 2018 domestic consumption of 7.6 tons of
heroin led to an income between 238 and 401 million USD, whereas the export of heroin (20
‐ 45 tons) was deemed to be worth between 782 and 1,798 million USD for Myanmar
traffickers.
The overall gross value of the Myanmar opium economy for the year 2018 ranged between
1,082 and 2,262 million USD, equivalent to a noteworthy share (1.5 – 3.3 %) of the 2017
national GDP.27
The value of manufacturing and trafficking after farm‐gate up to the border of
Myanmar ranges between 1,020 and 2,159 million USD (1.5 – 3.1 % of the GDP). These values
represent the income generated by the traffickers after deducting the costs of buying the dry
opium from the farmers.
These estimates have some limitations. There is great uncertainty around the conversion ratio
of opium to heroin, which depends on three main factors: the morphine content of opium,
the efficiency of traffickers to extract morphine from opium and convert morphine to heroin,
26
HONLEA by September 2018 reported the seizure of 2.566 tons of opium and 750.9 kg of heroin. The quantities of opiates
seized in the whole year 2018 was extrapolated based on these figures.
27
Source: World Bank
35. Myanmar Opium Survey 2018
25
3. Eradication and Seizures
As in former years, the Government of the Republic of the Union of Myanmar (GOUM)
provided the data on eradication of opium poppy and seizures of opium in 2018.
3.1 Eradication
By the end of the 2018 growing season (February/March 2018), a total amount of 2,605 ha of
opium poppy eradication was reported by GOUM/CCDAC, representing a decrease of 26%
compared to 2017. As in previous years, most of the eradication, 2,209ha (85%) occurred in
South Shan, followed by East Shan with 224ha. The decline in eradication started in 2015,
manifesting a similar trend as the area under opium poppy cultivation (see Figure 10).
Table 6: Reported eradication in Myanmar (ha), 2007‐2018
Region
2006‐
2007
2007‐
2008
2008‐
2009
2009‐
2010
2010‐
2011
2011‐
2012
2012‐
2013
2013‐
2014
2014‐
2015
2015‐
2016
2016‐
2017
2017‐
2018
East Shan 1,101 1,249 702 868 1,230 1,257 537 356 378 482 264 224
North Shan 916 932 546 1,309 1,315 977 532 337 532 69 97 29
South Shan 1,316 1,748 1,466 3,138 3,579 21,157 10,869 13,696 10,715 4,947 3,019 2,209
Shan State
total
3,333 3,929 2,714 5,315 6,124 23,391 11,939 14,389 11,625 5,498 3,381 2,462
Kachin 189 790 1,350 2,936 847 83 250 395 1,495 1,504 28 65
Kayah 12 12 14 13 38 84 59 67 54 16 47 12
Magway 45 1 1 4 7 60 8 9 47 44
Chin 10 86 5 2 10 110 32 277 267 534 28 22
Mandalay 3 2 39 45 1
Sagaing 9 1 2 1
Other States 64
National
total
3,662 4,820 4,087 8,267 7,058 23,718 12,288 15,188 13,450 7,561 3,533 2,605
Source: GOUM/CCDAC
Figures for 2018 are partial and refers to the period September 2017 – February 2018
Eradication versus opium poppy cultivation in Myanmar, 2007‐2018
*Opium poppy cultivation for the year 2016 was plotted with linear interpolation
3,662 4,820 4,087
8,267 7,058
23,718
12,288
15,188 13,450
7,561
3,533 2,605
0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016* 2017 2018
Eradication (ha) Cultivation (ha)
37. Myanmar Opium Survey 2018
27
Most of the locations in South Shan where eradication took place overlapped with areas with
high to very high opium poppy density. Map 4 shows eradication patterns in South Shan which
follow the high to very high‐density cultivation in mountainous areas. On the contrary,
eradication activities in East Shan presented a more irregular and dispersed pattern, covering
different density levels, from low to very high.
In North Shan only very little eradication was reported, equivalent to 29ha. This was
concentrated in the south, near the border with Wa State. The lower reporting of GOUM
activities in North Shan is probably related to the presence of different armed groups and
numerous security incidents (Maps 1 and 2).
In Kachin State, only some eradication was reported at the border with China (65ha), whilst
there was no reporting from other medium to high density areas, like the region surrounding
Tanai town. Finally, in the north of Chin state a few eradication points (22ha) were reported,
located at the eastern side of the Manipur River.
GOUM eradication
The opium poppy cultivation estimates presented in this report refer to the fields that were
identified at the time that the satellite images were taken. Therefore, if any effective
eradication was carried out after the satellite image date, it is not reflected in the presented
cultivation figures. Besides, data provided by GOUM may include eradication implemented
during the monsoon poppy season, prior to the main growing season when the remote sensing
survey was implemented. The eradication figures reported by GOUM were not verified by
UNODC.
3.2 Seizures
Similarly, to the eradication figures, the seizures of different opium products reported by
GOUM showed decreases in all opiate types. Most of the opium and heroin seizures took place
near the larger towns, like Taunggyi, Mandalay, Bhamo, Lashio, Mho Nyin, or along trafficking
routes, like road and rivers, as shown in Map 4.
41. Myanmar Opium Survey 2018
31
4. Methodology
The 2018 opium survey included three components:
1. Estimation of opium poppy cultivation area throughout North Shan, East Shan, South
Shan, Kachin, Kayah and Chin states. The area estimation survey was based on the use
of satellite images as the primary source of data, which was supplemented by field
surveys to provide ground‐truthing that supports the interpretation of opium poppy
fields;
2. Crop yield estimation survey throughout South Shan, North Shan and East Shan. Due
to ongoing conflicts and insecurity, crop yield measurements could not be
conducted in Kachin state;
3. A socio‐economic (village) survey in poppy growing areas of North Shan, East Shan
and South Shan. An in‐depth analysis of the results will be presented in a separate
report, expected to be ready in early 2019.
4.1 Area estimation
Remote sensing imagery
The area estimation to monitor the extent of opium poppy cultivation in Myanmar was carried
out by means of remote sensing techniques. North, East and South Shan in Shan State, the
eastern zone of Kachin State as well as the northern regions of Kayah and Chin States were
surveyed. Satellite imagery were acquired following two approaches (Map 5):
1) A sampling approach with a selection of randomly selected squared segments; this
was used for the three Shan regions and the south‐eastern part of Kachin (see Sample
approach section);
2) A full coverage approach with larger, targeted images; this was applied for the Tanai
area of Kachin state, the northern part of Chin state and the northern part of Kayah
(see Target area selection and Interpretation section).
The images used for the sampling areas were Very High Resolution (VHR) satellite images,
whilst a combination of VHR and High‐resolution images were used for the targeted areas.
The VHR images at the sample locations were taken by Pleiades satellites, which provides
images of 2 metre ground resolution with four spectral bands (blue, green, red and infra‐red)
and a 50‐centimetre panchromatic band. For every location (sample segment), two images
were acquired with an approximate five‐week interval; one image was taken in December or
January and the other between February and March. These two dates correspond to the pre‐
and post‐harvest periods of poppy, thus facilitating the identification and discrimination from
other land cover classes. To determine the image acquisition dates, the regional differences
between the crop calendars were considered.
44. Myanmar Opium Survey 2018
34
Land cover was the first important factor in defining the sampling frame. From the 2012 survey
onwards, a land cover map, which was developed by classifying 5 DMC images with 22 metre
resolution, acquired in February 2011, was used. From this map, large agricultural areas were
extracted and considered to be poppy‐free, since the cultivation of opium poppy was
practised in small agricultural areas, often surrounded by natural vegetation. Wetlands and
settlements were also excluded. Other classes of land use were considered to have the
potential for opium poppy cultivation.
Prior to 2013, only altitudes between 800 and 1,800 metres were to be considered within the
risk area. This was based on survey findings which had revealed that 95% of opium poppy was
cultivated at such altitudes. However, later evidence showed the existence of poppy fields at
600 metre altitude and above, without a specific higher limit. Consequently, the sampling
frame for the selection of the sample locations was updated in 2013 using this finding. Several
opium poppy‐free areas were identified based on ground information. The special regions;
Wa (former S.R.2), Mongla (former S.R.4), and Kokant (former S.R.1); were excluded from the
sampling frame. The townships; Mabein, Kyaukme, Nawng Hkio and Kunlon in North Shan;
and Kalaw, Pindaya, Yak Sauk and Ywa Ngan in South Shan; were excluded from the sampling
frame for the same reason. A 10‐km buffer zone along the border with Thailand, which were
considered opium poppy‐free in earlier surveys, was included again in the sampling frame in
2013 because ground information from the 2012 survey indicated a certain poppy risk.
The above‐mentioned factors were combined in a Geographic Information System (GIS) to
calculate the sampling frame in Shan state. The sampling frame for Waingmaw Township in
Kachin state was developed only considering an altitude factor of more than 800 metres.
Altitude ranges of opium poppy fields found in satellite images, 2017/2018
(metres)
Sampling approach, sample size and sample selection
Because of the widespread poppy cultivation in the North Shan, East Shan, South Shan and in
southern Kachin, a sampling approach is most cost‐ efficient given the required accuracy.
The sampling frame for this survey was a set of 5x5 km segments used to select the locations
for obtaining satellite imagery. For that purpose, a 5x5 km regular grid was superimposed on
the risk area. To increase the efficiency of the sample (thus to reduce the number of images
purchased that only cover a small part of the risk area), a threshold of a minimum of 30% of
risk area was set: if a segment contained less than 30% of risk area (e.g. is a cell at the
0%
20%
40%
60%
80%
100%
South Shan East Shan North Shan Kachin (Waingmaw)
% of poppy fields found
Regions
<600 600‐800 800‐1000 1000‐1200 1200‐1400 1400‐1600 >1600
45. Myanmar Opium Survey 2018
35
boundary of the risk area), it was not included in the sampling frame. Nevertheless, in the
extrapolation, the whole risk area is considered, with the underlying assumption that the area
outside of the frame behaves on average as the area inside the sampling frame.
In 2018, the same samples were used as selections for the survey of 2015, totalling 84
segments. Due to budget constraints, in 2017, only half of this number were sampled,
however taken from the same sample set (see Myanmar Opium Survey 2017).
Table 8: Sample size allocation in 2018
Region Sample size 2017 Sample size 2018
Number of geo‐
strata 2017
Number of geo‐
strata 2018
East Shan 14 30 7 15
South Shan 16 30 8 15
North Shan 8 16 4 8
Kachin 8 8 4 4
Total 46 84 23 42
Since the same samples are used in 2015 and 2018, the 2015 selection method is explained.
Firstly, the frame was separated by region. Here, each segment had to be assigned to exactly
one per region: if the majority of the risk area is within that region, the segment was assigned
to that region. Therefore, regional boundaries were in some sense generalized to fit the 5x5
km grid. Secondly, each sub frame (region) was divided into compact geographical strata of
approximately equal area. In former surveys the definition of the strata was done manually
but a clustering algorithm (“k‐means”) in the statistical software R30 package spcosa was
applied in the 2014 Survey. In each stratum, two sampling locations were selected by simple
random sampling. This sampling method provides a geographically well distributed sample
and allowed the variance (uncertainty) to be estimated in an unbiased manner. See for more
details the Myanmar Opium Survey of 2015.31
30
http://www.r‐project.org/ and package http://cran.r‐project.org/web/packages/spcosa/index.html
31
https://www.unodc.org/documents/crop‐monitoring/sea/Southeast_Asia_Opium_Survey_2015_web.pdf
51. Myanmar Opium Survey 2018
41
interpretation keys use features of poppy fields such as tone, colour, shape or texture, in
addition to context information and knowledge about the area.
The images taken in the second round were used to observe changes in possible poppy‐
growing fields. If there was an apparent change that corresponded to the harvesting of the
poppy, it was used to confirm that the field was indeed a poppy field. Since the images were
not geometrically corrected an automation was not possible due to the possible
displacements of the fields in question.
Different land cover classes in the study area: from left to right a tea plantation,
upland paddy and a tree cutting plot.
The decision rules can vary by region and stage of poppy cultivation. However, the most
commonly applied rule was that potential poppy in the first image, when classified as bare soil
in the second image, meant that it was opium poppy. Historical data on poppy cultivation, 3D
terrain visualization and real colour pan‐sharpened (very high‐resolution images) visualization
were used to facilitate the decision‐making.
Area estimation methods in 2018
The area estimation consisted of a sampling estimate and a target area estimate. The final
national estimate is the sum of poppy estimated in the sample region and the estimate
obtained from the target areas. The following section describes the sampling estimation
method. The sample area estimation of the extent of opium poppy cultivation at the national
level is a combined ratio estimate using risk area as an auxiliary variable. The estimation was
done separately for the strata containing segments where opium poppy was identified in the
past and for the strata that were free of opium poppy (but containing risk area because of
their biophysical features). The total is a sum of these two separate estimates. At the
provincial level, a simple combined ratio estimate was calculated. The ratios were then
extrapolated to risk area outside the frame. The sample mean was calculated as
∑ ; ̅ ∑ ̅ .
where k is the number of stratum, y is the sample mean of poppy in stratum h; x is the
sample mean of the risk area in stratum h; N is the number of sampling units in stratum h,
and N is the population size.
The combined ratio estimate of the area under poppy cultivation then is given by
̅
where is the total risk area in the sampling‐frame.
52. Myanmar Opium Survey 2018
42
The confidence intervals for the national estimate were calculated by using standard statistical
methods for combined ratio estimators.
Bootstrapping35
was performed to estimate the confidence intervals of the provincial
estimates. This was necessary as the heavily skewed distribution of opium poppy in the
samples led to unrealistic confidence intervals when applying the standard methods. Although
bootstrapping is considered to be an appropriate choice in such situations, UNODC is
undertaking further research to assess if this is the case in all situations.
Table 10: Estimated poppy cultivation areas for the sampled areas, by region, 2017 and
2018
2017 2018
Difference
2017‐2018
East Shan 11,003 10,095 ‐8%
Kachin 2,860 2,417 ‐15%*
North Shan 9,399 8,691 ‐8%*
South Shan 16,672 13,880 ‐17%
Total 39,933 36,021 ‐10%
Table 11: Estimated poppy cultivation areas for the targe areas, by region, 2018
Target area
Survey Poppy Area before
correction factor
Correction factor 2018
Survey Poppy Area
(ha) after correction
factor
Tanai (Kachin State) 1,016 ‐7.64% 938
Chin 734 ‐14.85% 630
Kayah 613 ‐7.01% 570
Correction factor for Tanai corresponds to the value calculated in 2017. In 2018, VHR images were
acquired for Chin and Kayah providing correction factors for 2018.
Opium poppy cultivation density map
The opium poppy cultivation density map was created combining two different approaches.
For the targeted area (i.e., Tanai region) the density was directly calculated from the full
coverage cultivation data of 2018, whereas for the sampled areas historical data from 2012 to
2018 were interpolated using the inverse distance weighting method (IDW). A total of 208
segments (5 x 5 km) were considered in the analysis, which have been assessed since 2012. In
case of multiple observations for the same segment, the most recent data was applied.
4.2 Yield and potential opium production estimation
Collection of yield data
The 2018 field work campaign was conducted in North, South and East regions of Shan state
and it was implemented by UNODC with support of local Drug Enforcement Units (former Anti‐
Narcotic Task Forces). The teams were organized by CCDAC and formed by three UNODC
national staff members from the Myanmar office as well as by an officer from the local Drug
Enforcement Unit. Besides crop yield data, different socio‐economic variables were also
collected by local survey teams.
35
http://cran.r‐project.org/web/packages/boot/index.html.
53. Myanmar Opium Survey 2018
43
The villages were selected by opportunistic‐sampling method, considering the area
accessibility and security as main determinant factors. A total number of 86 villages were
visited in 15 different townships and 4 sub‐townships between the 3rd
of December 2017 and
March 2018. The field team followed the UNODC Guidelines for yield assessments. Field
measurements were normally taken from three poppy fields in each village. The team selected
mature opium poppy fields close to the village and selected fields with good, average and bad
conditions from those mature fields. Once a field was selected, a transect was drawn through
the field, along which three 1 m2
sample plots were defined (figure 18).
Yield data collection in the field.
In each plot, the numbers of flower buds, flowers, immature capsules and mature capsules
expected to yield opium were counted, and the diameter and height of 10 to 14 lanced
capsules were measured with a digital calliper (Figure 19). All the measurements were
recorded by digital cameras for future QA/QC. Field data of a total 257 poppy fields were
collected in the 2018 yield survey and a total of 7,547 poppy capsules were measured.
54. Myanmar Opium Survey 2018
44
Measuring poppy capsule diameter and height in Mauk Mai township, South
Shan.
Data in South Shan was collected in 40 poppy growing villages located in 7 different townships
(Hopong, Hsi Hseng, Pinlaung, Pekon, Mawkmai, Monae and Loilem). Yield data was taken
from 119 poppy fields and 3513 capsules were measured.
In East Shan, yield data was collected in 38 poppy growing villages in 7 townships (Kyaing Tong,
Mong Hpyat, Mong Khat, Metman, Mong Hsat, Mong Ton and Mong Pyin townships) from 16
Jan 2018 to 18 Feb 2018. Field measurement was carried out in 111 poppy fields and 3074
capsules were measured.
Finally, due to armed conflict issues in North Shan, the field team collected yield data in one
township only. Data was collected from 9 poppy growing villages in Tang Yang township from
26 Feb 2018 to 4 Mar 2018. A total of 27 poppy fields were visited and 823 capsules measured.
57. Myanmar Opium Survey 2018
47
For estimating potential opium yield, a relationship between poppy capsule volume per
square metre and dry opium yield is used. The relationship is based on extensive field research
and is described as:
1.89 0.0412
where Y is dry opium weight (kg/ha) and V is the mature capsule volume (cm3
/m2
).
This formula has been developed based on data collected in Thailand and emphasizes the
lower end of observed capsule volume. It is based on data varying between 0 and 900 cm3
/m2
.
However, high volumes exceeding 900 cm3
/m2
were observed (particularly in Kachin). The
formula was not validated for these ranges and would supposedly overestimate yields. To
avoid overestimation, an alternative formula was used for fields where at least one plot
exceeded said volume. This formula was calibrated with combined data from Pakistan and
Thailand, and reads as
1,495 – 1,495 – 395.259 .
1.795
A range was calculated to express the uncertainty of the yield estimate due to sampling with
the 95% confidence interval.36
Estimating opium production
Opium production was calculated by region as the product between the estimated area under
opium cultivation and the corresponding opium yield.
All opium estimates in this report are expressed in oven‐dry opium equivalent, i.e. the opium
is assumed to contain 0% moisture. The same figure expressed in air‐dry opium, i.e. opium
under “normal” conditions as traded, would be higher as such air‐dry opium contains some
moisture.
The uncertainties of the opium production estimate combine those due to sampling for the
area under poppy cultivation and those related to the yield estimate. These uncertainties were
calculated by using the standard method for error propagation. The point estimates and
uncertainties of the area under poppy cultivation and yield can be expressed as ap ±Δa and yp
± Δy respectively, where the uncertainty is determined from the 95% confidence intervals.
These uncertainties will impact on the estimate of production (pp ± Δp, or equivalently
expressed as the range [pp ‐ Δp, pp+Δp]), where the best estimate is pp = ap yp. Therefore,
Δp
pp
Δa
ap
Δy
yp
expresses the error in production (Δp), resulting from uncertainty in the estimates for
cultivation area and yield.
4.3 Estimating the value of opium economy in Myanmar
Estimating the value of the Myanmar opium economy implies evaluating the amounts of raw
opium and heroin which are used either for the domestic consumption or for export, along
with their prices at every link of the chain. This means estimating and then combining multiple
factors, using the best available data.
36
1.96
√
, where Y is the point estimate, n is the number of samples and σ is the standard deviation.
58. Myanmar Opium Survey 2018
48
Due to the scarcity of reliable and/or updated data, especially on purity and conversion
factors, the degree of uncertainties is significant and infers the use of range rather than point
estimates.
The key components of the opium economy which have been estimated to derive the gross
and net values of the opium economy in Myanmar are:
The farm‐gate value
The amounts of raw opium and heroin reaching the illicit end‐consumer markets
The value of opiates market for domestic use
The value of opiates potentially available for export
The farm‐gate value
It is derived directly from the potential production of dry opium. The price per kg of dry opium
used for the calculation is the weighted average of the farm‐gate prices at harvest time of the
three main producing regions of Shan state.37
The lower and upper bounds of the farm‐gate
value reflect the range of the opium production estimate.
The amounts of raw opium and heroin reaching the illicit end‐consumer markets
Opium can be either consumed as raw opium or further processed into heroin. Starting from
the production figures, the estimate of the share of unprocessed opium entering the illicit
markets is based on the direct opium consumption in the East Asia region38
and the
comparison of the opium production levels between Myanmar and Laos,39
which are
supposedly the only opium providing countries in the region.40
The remaining opium, after
discounting opium seizures,41
is deemed to be processed into heroin. A ratio of 10:1 is used
for converting opium to heroin of unknown purity42
and, after subtracting the reported heroin
seizures,43
the amount of heroin reaching the end‐consumer markets is obtained.
The value of opiates market for domestic use
The value of the domestic opiates market is given by:
(annual estimated domestic opium consumption x typical retail opium price)
+
(annual estimated domestic heroin consumption x typical retail heroine price adjusted
for purity)
37
Farm‐gate prices at harvest time of dry opium in North, East and South Shan were collected during the 2018 socio‐economic
survey.
38
Source: Transnational Organized Crime in East Asia and the Pacific – A Threat Assessment (TOCTA‐EAP), (UNODC, 2013).
39
Source: Southeast Asia Opium Survey 2015 – Lao PDR, Myanmar (UNODC, 2015).
40
See World Drug Report 2018. The assumption is that the ratio between total opium production and unprocessed opium is the
same for the two countries.
41
HONLEA by September 2018 reported the seizure of 2.566 tons of opium, the annual figure was extrapolated multiplying by
4/3.
42
For countries other than Afghanistan, a traditional conversion ratio of opium to heroin of 10:1 is used (cfr. World Drug Report
2018, vol.2, p.51).
43
HONLEA by September 2018 reported the seizure of 751 kg of heroin, the annual figure was extrapolated multiplying by 4/3.
59. Myanmar Opium Survey 2018
49
The estimates of opium and heroin consumed in Myanmar are based on:
The prevalence of opiates use44
in the country.
The respective proportions of opium and heroin users.45
The Myanmar population between 15 and 64 years old.46
The annual heroin47
and opium48
average consumption rates.
The retail prices of opium49
and heroin50
are taken from the Myanmar Annual Reports
Questionnaire (ARQ). Heroin’s street price has been adjusted for purity, resulting in a range
due to the uncertainties related to the purity of the retail market’s heroin.51
The value of opiates potentially available for export
The amounts of opiates potentially available for export are derived by subtracting the
domestic consumption from the opiates reaching the illicit market. The obtained opium and
heroin quantities are then multiplied by the respective wholesale prices52
and summed to
each other to find the value of the opiates export.
Gross and net values of opiates economy in Myanmar
The gross value of the opiate economy is the sum of the value of the domestic market and the
value of opiates believed to be exported.53
The estimate of the value of manufacture and
trafficking of opiates to the border excludes the farm‐gate value, which is paid by first level
traffickers to the farmers. A detailed analysis of the profits made at each stage need to
consider other costs associated to the illicit drug business, for instance those related to
manufacture and distribution, most importantly precursor substances. Due to lack of data it
was not possible to include the above‐mentioned components in this analysis.
44
Annual prevalence for opiates is 0.8%. Source: World Drug Report 2018 (UNODC, 2018).
45
Derived from 2017 treatment data provided by the Central Committee on Drug Abuse control of Myanmar. Heroin users
represent the 94.9% of opiates users, opium users the 5.1%.
46
Source: World Bank.
47
The global annual average value of 28g of heroin is used. Source: World Drug Report 2005, vol.1, chapter 2. (UNODC, 2005)
48
A value of 770g of opium for yearly consumption is used. Source: Drug Use in Afghanistan (Afghanistan Ministry of Counter‐
narcotics/ Afghanistan Ministry of Health/ UNODC, 2009).
49
Source: ARQ 2010.
50
Source: ARQ 2017.
51
Due to the lack of data on street heroin’s purity in Myanmar, Cambodia 2016 ARQ data are used, which recorded a retail purity
ranging from 42 to 80%.
52
Wholesale opium price is taken from the Myanmar 2014 ARQ. Wholesale heroin price is taken from the Myanmar 2012 ARQ.
53
The gross value of opiates economy includes several components (e.g., costs associated to precursor substances, transports,
processing, etc.), which are not considered in this analysis.
60. Myanmar Opium Survey 2018
50
Table 13: Workflow diagram of the analysis of the opiates economy’s components
Uncertainties
There is a significant uncertainty around these estimates. While confidence in the opium
production estimates is high, uncertainties around the conversion ratio from opium to
heroin54
stem mainly from the wide range of possible purities of the product and from the lack
of data on the efficiency of the conversion from opium to heroin (i.e., how much opium is
needed to produce 1kg of heroin). Uncertainties around the demand estimate are mainly
associated with the assumptions around annual opium consumption per user.
54
The amount of raw opium needed for producing 1kg of heroin depends on two main factors: i) the average morphine content
of opium and ii) the efficiency of the heroin labs. To date there are no available studies that focus on opium’s morphine content
and/or heroin labs efficiency in Myanmar.